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[09-10, 2004] 

Journal of Electrical Engineering, Vol 55, 09-10 (2004) 232-238

RELATED FEATURES OF TSD AND QDLTS METHODS

Drahoslav Barančok - Ľubomír Keleši - Peter Kluvánek - Ján Vajda

   Two standard methods for investigating relaxation processes in solids - deep level transient spectroscopy (DLTS) and thermostimulated depolarization method (TSD) are analyzed. A complex formalism is introduced and numerically analyzed. Related features were revealed including a direct reflection of the shape of an arbitrary distribution of relaxation times by the DLTS/TSD response. The extraordinary resolution ability of the so-called step heating TSD is numerically demonstrated. A discussion is given of a new approach to the analysis of the DLTS spectra as well as TSD currents due to different relaxation mechanisms, namely in the case of a distribution of the activation energy.

Keywords: deep level transient spectroscopy, thermally stimulated depolarization, relaxation process


[full-paper]


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